#include #include #include #include #include #include #include #include #include #include #include #include /* Chips: TDA9885 (PAL, NTSC) TDA9886 (PAL, SECAM, NTSC) TDA9887 (PAL, SECAM, NTSC, FM Radio) found on: - Pinnacle PCTV (Jul.2002 Version with MT2032, bttv) TDA9887 (world), TDA9885 (USA) Note: OP2 of tda988x must be set to 1, else MT2032 is disabled! - KNC One TV-Station RDS (saa7134) - Hauppauge PVR-150/500 (possibly more) */ /* Addresses to scan */ static unsigned short normal_i2c[] = { 0x84 >>1, 0x86 >>1, 0x96 >>1, I2C_CLIENT_END, }; I2C_CLIENT_INSMOD; /* insmod options */ static unsigned int debug = 0; module_param(debug, int, 0644); MODULE_LICENSE("GPL"); /* ---------------------------------------------------------------------- */ #define UNSET (-1U) #define tda9887_info(fmt, arg...) do {\ printk(KERN_INFO "%s %d-%04x: " fmt, t->client.name, \ i2c_adapter_id(t->client.adapter), t->client.addr , ##arg); } while (0) #define tda9887_dbg(fmt, arg...) do {\ if (debug) \ printk(KERN_INFO "%s %d-%04x: " fmt, t->client.name, \ i2c_adapter_id(t->client.adapter), t->client.addr , ##arg); } while (0) struct tda9887 { struct i2c_client client; v4l2_std_id std; enum tuner_mode mode; unsigned int config; unsigned int using_v4l2; unsigned int radio_mode; unsigned char data[4]; }; struct tvnorm { v4l2_std_id std; char *name; unsigned char b; unsigned char c; unsigned char e; }; static struct i2c_driver driver; static struct i2c_client client_template; /* ---------------------------------------------------------------------- */ // // TDA defines // //// first reg (b) #define cVideoTrapBypassOFF 0x00 // bit b0 #define cVideoTrapBypassON 0x01 // bit b0 #define cAutoMuteFmInactive 0x00 // bit b1 #define cAutoMuteFmActive 0x02 // bit b1 #define cIntercarrier 0x00 // bit b2 #define cQSS 0x04 // bit b2 #define cPositiveAmTV 0x00 // bit b3:4 #define cFmRadio 0x08 // bit b3:4 #define cNegativeFmTV 0x10 // bit b3:4 #define cForcedMuteAudioON 0x20 // bit b5 #define cForcedMuteAudioOFF 0x00 // bit b5 #define cOutputPort1Active 0x00 // bit b6 #define cOutputPort1Inactive 0x40 // bit b6 #define cOutputPort2Active 0x00 // bit b7 #define cOutputPort2Inactive 0x80 // bit b7 //// second reg (c) #define cDeemphasisOFF 0x00 // bit c5 #define cDeemphasisON 0x20 // bit c5 #define cDeemphasis75 0x00 // bit c6 #define cDeemphasis50 0x40 // bit c6 #define cAudioGain0 0x00 // bit c7 #define cAudioGain6 0x80 // bit c7 //// third reg (e) #define cAudioIF_4_5 0x00 // bit e0:1 #define cAudioIF_5_5 0x01 // bit e0:1 #define cAudioIF_6_0 0x02 // bit e0:1 #define cAudioIF_6_5 0x03 // bit e0:1 #define cVideoIF_58_75 0x00 // bit e2:4 #define cVideoIF_45_75 0x04 // bit e2:4 #define cVideoIF_38_90 0x08 // bit e2:4 #define cVideoIF_38_00 0x0C // bit e2:4 #define cVideoIF_33_90 0x10 // bit e2:4 #define cVideoIF_33_40 0x14 // bit e2:4 #define cRadioIF_45_75 0x18 // bit e2:4 #define cRadioIF_38_90 0x1C // bit e2:4 #define cTunerGainNormal 0x00 // bit e5 #define cTunerGainLow 0x20 // bit e5 #define cGating_18 0x00 // bit e6 #define cGating_36 0x40 // bit e6 #define cAgcOutON 0x80 // bit e7 #define cAgcOutOFF 0x00 // bit e7 /* ---------------------------------------------------------------------- */ static struct tvnorm tvnorms[] = { { .std = V4L2_STD_PAL_BG, .name = "PAL-BG", .b = ( cNegativeFmTV | cQSS ), .c = ( cDeemphasisON | cDeemphasis50 ), .e = ( cAudioIF_5_5 | cVideoIF_38_90 ), },{ .std = V4L2_STD_PAL_I, .name = "PAL-I", .b = ( cNegativeFmTV | cQSS ), .c = ( cDeemphasisON | cDeemphasis50 ), .e = ( cAudioIF_6_0 | cVideoIF_38_90 ), },{ .std = V4L2_STD_PAL_DK, .name = "PAL-DK", .b = ( cNegativeFmTV | cQSS ), .c = ( cDeemphasisON | cDeemphasis50 ), .e = ( cAudioIF_6_5 | cVideoIF_38_00 ), },{ .std = V4L2_STD_PAL_M | V4L2_STD_PAL_N, .name = "PAL-M/N", .b = ( cNegativeFmTV | cQSS ), .c = ( cDeemphasisON | cDeemphasis75 ), .e = ( cAudioIF_4_5 | cVideoIF_45_75 ), },{ .std = V4L2_STD_SECAM_L, .name = "SECAM-L", .b = ( cPositiveAmTV | cQSS ), .e = ( cGating_36 | cAudioIF_6_5 | cVideoIF_38_90 ), },{ .std = V4L2_STD_SECAM_LC, .name = "SECAM-L'", .b = ( cOutputPort2Inactive | cPositiveAmTV | cQSS ), .e = ( cGating_36 | cAudioIF_6_5 | cVideoIF_33_90 ), },{ .std = V4L2_STD_SECAM_DK, .name = "SECAM-DK", .b = ( cNegativeFmTV | cQSS ), .c = ( cDeemphasisON | cDeemphasis50 ), .e = ( cAudioIF_6_5 | cVideoIF_38_00 ), },{ .std = V4L2_STD_NTSC_M, .name = "NTSC-M", .b = ( cNegativeFmTV | cQSS ), .c = ( cDeemphasisON | cDeemphasis75 ), .e = ( cGating_36 | cAudioIF_4_5 | cVideoIF_45_75 ), },{ .std = V4L2_STD_NTSC_M_JP, .name = "NTSC-JP", .b = ( cNegativeFmTV | cQSS ), .c = ( cDeemphasisON | cDeemphasis50 ), .e = ( cGating_36 | cAudioIF_4_5 | cVideoIF_58_75 ), } }; static struct tvnorm radio_stereo = { .name = "Radio Stereo", .b = ( cFmRadio | cQSS ), .c = ( cDeemphasisOFF | cAudioGain6 ), .e = ( cAudioIF_5_5 | cRadioIF_38_90 ), }; static struct tvnorm radio_mono = { .name = "Radio Mono", .b = ( cFmRadio | cQSS ), .c = ( cDeemphasisON | cDeemphasis50), .e = ( cAudioIF_5_5 | cRadioIF_38_90 ), }; /* ---------------------------------------------------------------------- */ static void dump_read_message(struct tda9887 *t, unsigned char *buf) { static char *afc[16] = { "- 12.5 kHz", "- 37.5 kHz", "- 62.5 kHz", "- 87.5 kHz", "-112.5 kHz", "-137.5 kHz", "-162.5 kHz", "-187.5 kHz [min]", "+187.5 kHz [max]", "+162.5 kHz", "+137.5 kHz", "+112.5 kHz", "+ 87.5 kHz", "+ 62.5 kHz", "+ 37.5 kHz", "+ 12.5 kHz", }; tda9887_info("read: 0x%2x\n", buf[0]); tda9887_info(" after power on : %s\n", (buf[0] & 0x01) ? "yes" : "no"); tda9887_info(" afc : %s\n", afc[(buf[0] >> 1) & 0x0f]); tda9887_info(" fmif level : %s\n", (buf[0] & 0x20) ? "high" : "low"); tda9887_info(" afc window : %s\n", (buf[0] & 0x40) ? "in" : "out"); tda9887_info(" vfi level : %s\n", (buf[0] & 0x80) ? "high" : "low"); } static void dump_write_message(struct tda9887 *t, unsigned char *buf) { static char *sound[4] = { "AM/TV", "FM/radio", "FM/TV", "FM/radio" }; static char *adjust[32] = { "-16", "-15", "-14", "-13", "-12", "-11", "-10", "-9", "-8", "-7", "-6", "-5", "-4", "-3", "-2", "-1", "0", "+1", "+2", "+3", "+4", "+5", "+6", "+7", "+8", "+9", "+10", "+11", "+12", "+13", "+14", "+15" }; static char *deemph[4] = { "no", "no", "75", "50" }; static char *carrier[4] = { "4.5 MHz", "5.5 MHz", "6.0 MHz", "6.5 MHz / AM" }; static char *vif[8] = { "58.75 MHz", "45.75 MHz", "38.9 MHz", "38.0 MHz", "33.9 MHz", "33.4 MHz", "45.75 MHz + pin13", "38.9 MHz + pin13", }; static char *rif[4] = { "44 MHz", "52 MHz", "52 MHz", "44 MHz", }; tda9887_info("write: byte B 0x%02x\n",buf[1]); tda9887_info(" B0 video mode : %s\n", (buf[1] & 0x01) ? "video trap" : "sound trap"); tda9887_info(" B1 auto mute fm : %s\n", (buf[1] & 0x02) ? "yes" : "no"); tda9887_info(" B2 carrier mode : %s\n", (buf[1] & 0x04) ? "QSS" : "Intercarrier"); tda9887_info(" B3-4 tv sound/radio : %s\n", sound[(buf[1] & 0x18) >> 3]); tda9887_info(" B5 force mute audio: %s\n", (buf[1] & 0x20) ? "yes" : "no"); tda9887_info(" B6 output port 1 : %s\n", (buf[1] & 0x40) ? "high (inactive)" : "low (active)"); tda9887_info(" B7 output port 2 : %s\n", (buf[1] & 0x80) ? "high (inactive)" : "low (active)"); tda9887_info("write: byte C 0x%02x\n",buf[2]); tda9887_info(" C0-4 top adjustment : %s dB\n", adjust[buf[2] & 0x1f]); tda9887_info(" C5-6 de-emphasis : %s\n", deemph[(buf[2] & 0x60) >> 5]); tda9887_info(" C7 audio gain : %s\n", (buf[2] & 0x80) ? "-6" : "0"); tda9887_info("write: byte E 0x%02x\n",buf[3]); tda9887_info(" E0-1 sound carrier : %s\n", carrier[(buf[3] & 0x03)]); tda9887_info(" E6 l pll gating : %s\n", (buf[3] & 0x40) ? "36" : "13"); if (buf[1] & 0x08) { /* radio */ tda9887_info(" E2-4 video if : %s\n", rif[(buf[3] & 0x0c) >> 2]); tda9887_info(" E7 vif agc output : %s\n", (buf[3] & 0x80) ? ((buf[3] & 0x10) ? "fm-agc radio" : "sif-agc radio") : "fm radio carrier afc"); } else { /* video */ tda9887_info(" E2-4 video if : %s\n", vif[(buf[3] & 0x1c) >> 2]); tda9887_info(" E5 tuner gain : %s\n", (buf[3] & 0x80) ? ((buf[3] & 0x20) ? "external" : "normal") : ((buf[3] & 0x20) ? "minimum" : "normal")); tda9887_info(" E7 vif agc output : %s\n", (buf[3] & 0x80) ? ((buf[3] & 0x20) ? "pin3 port, pin22 vif agc out" : "pin22 port, pin3 vif acg ext in") : "pin3+pin22 port"); } tda9887_info("--\n"); } /* ---------------------------------------------------------------------- */ static int tda9887_set_tvnorm(struct tda9887 *t, char *buf) { struct tvnorm *norm = NULL; int i; if (t->mode == T_RADIO) { if (t->radio_mode == V4L2_TUNER_MODE_MONO) norm = &radio_mono; else norm = &radio_stereo; } else { for (i = 0; i < ARRAY_SIZE(tvnorms); i++) { if (tvnorms[i].std & t->std) { norm = tvnorms+i; break; } } } if (NULL == norm) { tda9887_dbg("Unsupported tvnorm entry - audio muted\n"); return -1; } tda9887_dbg("configure for: %s\n",norm->name); buf[1] = norm->b; buf[2] = norm->c; buf[3] = norm->e; return 0; } static unsigned int port1 = UNSET; static unsigned int port2 = UNSET; static unsigned int qss = UNSET; static unsigned int adjust = 0x10; module_param(port1, int, 0644); module_param(port2, int, 0644); module_param(qss, int, 0644); module_param(adjust, int, 0644); static int tda9887_set_insmod(struct tda9887 *t, char *buf) { if (UNSET != port1) { if (port1) buf[1] |= cOutputPort1Inactive; else buf[1] &= ~cOutputPort1Inactive; } if (UNSET != port2) { if (port2) buf[1] |= cOutputPort2Inactive; else buf[1] &= ~cOutputPort2Inactive; } if (UNSET != qss) { if (qss) buf[1] |= cQSS; else buf[1] &= ~cQSS; } if (adjust >= 0x00 && adjust < 0x20) buf[2] |= adjust; return 0; } static int tda9887_set_config(struct tda9887 *t, char *buf) { if (t->config & TDA9887_PORT1_ACTIVE) buf[1] &= ~cOutputPort1Inactive; if (t->config & TDA9887_PORT1_INACTIVE) buf[1] |= cOutputPort1Inactive; if (t->config & TDA9887_PORT2_ACTIVE) buf[1] &= ~cOutputPort2Inactive; if (t->config & TDA9887_PORT2_INACTIVE) buf[1] |= cOutputPort2Inactive; if (t->config & TDA9887_QSS) buf[1] |= cQSS; if (t->config & TDA9887_INTERCARRIER) buf[1] &= ~cQSS; if (t->config & TDA9887_AUTOMUTE) buf[1] |= cAutoMuteFmActive; if (t->config & TDA9887_DEEMPHASIS_MASK) { buf[2] &= ~0x60; switch (t->config & TDA9887_DEEMPHASIS_MASK) { case TDA9887_DEEMPHASIS_NONE: buf[2] |= cDeemphasisOFF; break; case TDA9887_DEEMPHASIS_50: buf[2] |= cDeemphasisON | cDeemphasis50; break; case TDA9887_DEEMPHASIS_75: buf[2] |= cDeemphasisON | cDeemphasis75; break; } } if ((t->config & TDA9887_INTERCARRIER_NTSC) && (t->std & V4L2_STD_NTSC)) buf[1] &= ~cQSS; return 0; } /* ---------------------------------------------------------------------- */ static char pal[] = "-"; module_param_string(pal, pal, sizeof(pal), 0644); static char secam[] = "-"; module_param_string(secam, secam, sizeof(secam), 0644); static int tda9887_fixup_std(struct tda9887 *t) { /* get more precise norm info from insmod option */ if ((t->std & V4L2_STD_PAL) == V4L2_STD_PAL) { switch (pal[0]) { case 'b': case 'B': case 'g': case 'G': tda9887_dbg("insmod fixup: PAL => PAL-BG\n"); t->std = V4L2_STD_PAL_BG; break; case 'i': case 'I': tda9887_dbg("insmod fixup: PAL => PAL-I\n"); t->std = V4L2_STD_PAL_I; break; case 'd': case 'D': case 'k': case 'K': tda9887_dbg("insmod fixup: PAL => PAL-DK\n"); t->std = V4L2_STD_PAL_DK; break; case '-': /* default parameter, do nothing */ break; default: tda9887_info("pal= argument not recognised\n"); break; } } if ((t->std & V4L2_STD_SECAM) == V4L2_STD_SECAM) { switch (secam[0]) { case 'd': case 'D': case 'k': case 'K': tda9887_dbg("insmod fixup: SECAM => SECAM-DK\n"); t->std = V4L2_STD_SECAM_DK; break; case 'l': case 'L': tda9887_dbg("insmod fixup: SECAM => SECAM-L\n"); t->std = V4L2_STD_SECAM_L; break; case '-': /* default parameter, do nothing */ break; default: tda9887_info("secam= argument not recognised\n"); break; } } return 0; } static int tda9887_status(struct tda9887 *t) { unsigned char buf[1]; int rc; memset(buf,0,sizeof(buf)); if (1 != (rc = i2c_master_recv(&t->client,buf,1))) tda9887_info("i2c i/o error: rc == %d (should be 1)\n",rc); dump_read_message(t, buf); return 0; } static int tda9887_configure(struct tda9887 *t) { int rc; memset(t->data,0,sizeof(t->data)); tda9887_set_tvnorm(t,t->data); t->data[1] |= cOutputPort1Inactive; t->data[1] |= cOutputPort2Inactive; tda9887_set_config(t,t->data); tda9887_set_insmod(t,t->data); if (t->mode == T_STANDBY) { t->data[1] |= cForcedMuteAudioON; } tda9887_dbg("writing: b=0x%02x c=0x%02x e=0x%02x\n", t->data[1],t->data[2],t->data[3]); if (debug > 1) dump_write_message(t, t->data); if (4 != (rc = i2c_master_send(&t->client,t->data,4))) tda9887_info("i2c i/o error: rc == %d (should be 4)\n",rc); if (debug > 2) { msleep_interruptible(1000); tda9887_status(t); } return 0; } /* ---------------------------------------------------------------------- */ static int tda9887_attach(struct i2c_adapter *adap, int addr, int kind) { struct tda9887 *t; client_template.adapter = adap; client_template.addr = addr; if (NULL == (t = kmalloc(sizeof(*t), GFP_KERNEL))) return -ENOMEM; memset(t,0,sizeof(*t)); t->client = client_template; t->std = 0; t->radio_mode = V4L2_TUNER_MODE_STEREO; tda9887_info("chip found @ 0x%x (%s)\n", addr<<1, adap->name); i2c_set_clientdata(&t->client, t); i2c_attach_client(&t->client); return 0; } static int tda9887_probe(struct i2c_adapter *adap) { #ifdef I2C_CLASS_TV_ANALOG if (adap->class & I2C_CLASS_TV_ANALOG) return i2c_probe(adap, &addr_data, tda9887_attach); #else switch (adap->id) { case I2C_HW_B_BT848: case I2C_HW_B_RIVA: case I2C_HW_SAA7134: return i2c_probe(adap, &addr_data, tda9887_attach); break; } #endif return 0; } static int tda9887_detach(struct i2c_client *client) { struct tda9887 *t = i2c_get_clientdata(client); i2c_detach_client(client); kfree(t); return 0; } #define SWITCH_V4L2 if (!t->using_v4l2 && debug) \ tda9887_info("switching to v4l2\n"); \ t->using_v4l2 = 1; #define CHECK_V4L2 if (t->using_v4l2) { if (debug) \ tda9887_info("ignore v4l1 call\n"); \ return 0; } static int tda9887_command(struct i2c_client *client, unsigned int cmd, void *arg) { struct tda9887 *t = i2c_get_clientdata(client); switch (cmd) { /* --- configuration --- */ case AUDC_SET_RADIO: { t->mode = T_RADIO; tda9887_configure(t); break; } case TUNER_SET_STANDBY: { t->mode = T_STANDBY; tda9887_configure(t); break; } case TDA9887_SET_CONFIG: { int *i = arg; t->config = *i; tda9887_configure(t); break; } /* --- v4l ioctls --- */ /* take care: bttv does userspace copying, we'll get a kernel pointer here... */ case VIDIOCSCHAN: { static const v4l2_std_id map[] = { [ VIDEO_MODE_PAL ] = V4L2_STD_PAL, [ VIDEO_MODE_NTSC ] = V4L2_STD_NTSC_M, [ VIDEO_MODE_SECAM ] = V4L2_STD_SECAM, [ 4 /* bttv */ ] = V4L2_STD_PAL_M, [ 5 /* bttv */ ] = V4L2_STD_PAL_N, [ 6 /* bttv */ ] = V4L2_STD_NTSC_M_JP, }; struct video_channel *vc = arg; CHECK_V4L2; t->mode = T_ANALOG_TV; if (vc->norm < ARRAY_SIZE(map)) t->std = map[vc->norm]; tda9887_fixup_std(t); tda9887_configure(t); break; } case VIDIOC_S_STD: { v4l2_std_id *id = arg; SWITCH_V4L2; t->mode = T_ANALOG_TV; t->std = *id; tda9887_fixup_std(t); tda9887_configure(t); break; } case VIDIOC_S_FREQUENCY: { struct v4l2_frequency *f = arg; SWITCH_V4L2; if (V4L2_TUNER_ANALOG_TV == f->type) { if (t->mode == T_ANALOG_TV) return 0; t->mode = T_ANALOG_TV; } if (V4L2_TUNER_RADIO == f->type) { if (t->mode == T_RADIO) return 0; t->mode = T_RADIO; } tda9887_configure(t); break; } case VIDIOC_G_TUNER: { static int AFC_BITS_2_kHz[] = { -12500, -37500, -62500, -97500, -112500, -137500, -162500, -187500, 187500, 162500, 137500, 112500, 97500 , 62500, 37500 , 12500 }; struct v4l2_tuner* tuner = arg; if (t->mode == T_RADIO) { __u8 reg = 0; tuner->afc=0; if (1 == i2c_master_recv(&t->client,®,1)) tuner->afc = AFC_BITS_2_kHz[(reg>>1)&0x0f]; } break; } case VIDIOC_S_TUNER: { struct v4l2_tuner* tuner = arg; if (t->mode == T_RADIO) { t->radio_mode = tuner->audmode; tda9887_configure (t); } break; } case VIDIOC_LOG_STATUS: { tda9887_info("Data bytes: b=0x%02x c=0x%02x e=0x%02x\n", t->data[1], t->data[2], t->data[3]); break; } default: /* nothing */ break; } return 0; } static int tda9887_suspend(struct device * dev, pm_message_t state) { struct i2c_client *c = container_of(dev, struct i2c_client, dev); struct tda9887 *t = i2c_get_clientdata(c); tda9887_dbg("suspend\n"); return 0; } static int tda9887_resume(struct device * dev) { struct i2c_client *c = container_of(dev, struct i2c_client, dev); struct tda9887 *t = i2c_get_clientdata(c); tda9887_dbg("resume\n"); tda9887_configure(t); return 0; } /* ----------------------------------------------------------------------- */ static struct i2c_driver driver = { .id = -1, /* FIXME */ .attach_adapter = tda9887_probe, .detach_client = tda9887_detach, .command = tda9887_command, .driver = { .name = "i2c tda9887 driver", .suspend = tda9887_suspend, .resume = tda9887_resume, }, }; static struct i2c_client client_template = { .name = "tda9887", .driver = &driver, }; static int __init tda9887_init_module(void) { return i2c_add_driver(&driver); } static void __exit tda9887_cleanup_module(void) { i2c_del_driver(&driver); } module_init(tda9887_init_module); module_exit(tda9887_cleanup_module); /* * Overrides for Emacs so that we follow Linus's tabbing style. * --------------------------------------------------------------------------- * Local variables: * c-basic-offset: 8 * End: */